Ozone generation from two hollow needles to plate electrical discharges enhanced by an airflow
Résumé
The efficient ozone generation plays an important role from the standpoint of many applications. Most of the ozone produced is with the help of electrical discharges, e.g. DC, AC or pulse corona discharge or dielectric barrier discharge. In this paper we studied ozone generation by two hollow needles to plate DC electrical discharge enhanced by the airflow through the needle electrodes. We present the results concerning production of ozone versus discharge current for the discharge between one or the second needle to plate electrodes or between two needles to plate discharge for needles to plate distances ranging from 4 to 6 mm. The power delivered to the discharge for different inter-electrode configurations was also determined. It was found that for increasing needles to plate distance the production of ozone decreases. The experiments were performed for the needles biased negatively.